Home / 113,956,915.38-157,260,064.92-61,746,158.75

Finding the Fourth Proportional to 113,956,915.38, 157,260,064.92 and 61,746,158.75

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Solution

The fourth proportional to 113,956,915.38, 157,260,064.92 and 61,746,158.75 is: 85,209,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,956,915.38 : 157,260,064.92 = 61,746,158.75 : x
  2. Step 2: Convert to fraction form
    113,956,915.38/157,260,064.92 = 61,746,158.75/x
  3. Step 3: Cross multiply
    113,956,915.38x = 157,260,064.92 × 61,746,158.75
  4. Step 4: Simplify right side
    113,956,915.38x = 9,710,204,932,799,324
  5. Step 5: Solve for x
    x = 9,710,204,932,799,324/113,956,915.38
  6. Step 6: Final answer
    x = 85,209,439.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.